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US 7,581,342 B2Granted
Display device
AssigneeCalsonic Kansei Corporation
InventorsShigeru Egami, Kazuo Arai
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AssigneeCalsonic Kansei Corporation
InventorsShigeru Egami, Kazuo Arai
Estimating the term…
A display device includes an ultraviolet light source, a color light source, and a filter selectively hit by their lights. The filter has a first area part for displaying the first display contents excluding an overlapped parts when the ultraviolet light is emitted, a second area part for the second display contents excluding the overlapped parts when the color light is emitted, and a third display part for displaying the overlapped parts when one of the ultraviolet and color light is emitted. The first area part blocks the color light and produces visible light when the ultraviolet light hits the first area part, the second area part allows the ultraviolet and color lights to pass therethrough, and the third area part allows the ultraviolet and color lights to pass therethrough and produces the visible light when the ultraviolet light hits the third area part.
A display device that is capable of selectively displaying a first display contents and a second display contents where the first display contents and the second display contents have first overlapped parts overlapped with each other, the display device comprising:
Dependencies are inferred from the claim text.
From the US filing history. Foreign family members aren’t listed.
Drawings are temporarily unavailable. Open the PDF at USPTO
Using special optical effects: with colour-mixing effects
With luminescent surfaces or parts: electroluminescent
Displaying
About 1 year of term left · ends 1 Nov 2027 (estimated)
1. Field of the Invention
The present invention relates to a display device that is capable of shifting display contents having different colors and an overlapped part thereof.
2. Description of the Related Art
The objects, features and advantages of the present invention will become apparent as the description proceeds when taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a cross sectional side view showing a switch with a display device of a first embodiment according to the present invention;
FIG. 2 is a plain view showing a filter, used in the display device shown in FIG. 1, for displaying two display contents having their overlapped part and different color;
Throughout the following detailed description, similar reference characters and numbers refer to similar elements in all figures of the drawings, and their descriptions are omitted for eliminating duplication.
Referring to FIGS. 1 to 8, there is shown a display device of a first preferred embodiment according to the present invention. In this embodiment, a switch 1 has the display device capable of providing two display characters having colors different from each other.
The switch 1 has a switch finisher 2, a guide member 7 fixed to a lower and inner portion of the switch finisher 2, and a slider 8 arranged inside of the switch finisher 2 and capable of sliding rearward and forward, corresponding to downward and upward in FIG. 1, respectively.